package com.bobo.rbac.auth.config;

import com.bobo.rbac.auth.filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.access.AccessDeniedHandler;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;


/**
 * @description: spring-security配置类
 * @author: BOBO
 * @time: 2022/7/23 9:32
 */
@EnableWebSecurity
//启用全局配置
@EnableGlobalMethodSecurity(prePostEnabled = true)
@Configuration //标记为配置类
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Autowired
    JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;
    @Autowired
    AuthenticationEntryPoint authenticationEntryPoint;
    @Autowired
    private AccessDeniedHandler accessDeniedHandler;
    protected void configure(HttpSecurity http) throws Exception {
        http
                //关闭csrf
                .csrf().disable()
                                //不通过Session获取SecurityContext
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and()
                .authorizeRequests()
                // 对于登录接口 允许访问
               .antMatchers("/auth/*","/pic/*","/user/upFile","/about").anonymous()
             //   .antMatchers("/**").anonymous()
                // 除上面外的所有请求全部需要鉴权认证
                .anyRequest().authenticated()
                .and().cors();//开启跨域
        //把token校验过滤器添加到过滤器链中
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);

        //使用自定义的失败处理方案
        http.exceptionHandling().authenticationEntryPoint(authenticationEntryPoint).
                accessDeniedHandler(accessDeniedHandler);
    }



    //把方法的返回值 放入spring容器中
    @Bean
    public PasswordEncoder passwordEncoder(){

        return new BCryptPasswordEncoder();
    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }
}
